Motorized bumper boat



FIG. 1 is a perspective view of the front, top, and left side of a motorized bumper boat showing my new design;

FIG. 2 is a perspective view showing the front and top thereof;

FIG. 3 is a perspective view showing the front, top and right side thereof;

FIG. 4 is an enlarged front elevation view thereof;

FIG. 5 is an enlarged rear elevation view thereof; and

FIG. 6 is an enlarged left elevation view thereof. 

The ornamental design for a motorized bumper boat, as shown. 